Aluminum electrolytic capacitors
Snap-in capacitors
Series/Type:
Date:
B41231
December 2019
© TDK Electronics AG 2019. Reproduction, publication and dissemination of this publication, enclosures hereto
and the information contained therein without TDK Electronics' prior express consent is prohibited.
Snap-in capacitors
85
°C
B41231
General-purpose grade capacitors
Applications
Professional power supplies
Not for automotive applications unless otherwise specified
Features
High ripple current capability
RoHS-compatible
Useful life of 2000 h at 85
°C
Construction
Aluminum case, fully insulated with PET
Version with PVC insulation available upon request
Snap-in solder pins to hold component in place on PC-board
Minus pole marking on the insulating sleeve
Minus pole not insulated from case
Overload protection by safety vent on the base
Terminals
Standard version with 2 terminals,
2 lengths available: 6.0 and 4.5 mm
3 terminals to ensure correct insertion: length 4.5 mm
Please read
Cautions and warnings
and
Important notes
at the end of this document.
Page 2 of 24
B41231
85
°C
Specifications and characteristics in brief
Rated voltage V
R
Surge voltage V
S
Rated capacitance C
R
Capacitance tolerance
Dissipation factor (max.)
(20
°C,
120 Hz)
10 ... 100 V DC
1.15 V
R
(at room temperature)
1200 ... 68000
μF
±20%
M
V
R
(V DC)
10 16 25 35 50 63 80 100
tan
δ
0.50 0.50 0.40 0.40 0.30 0.25 0.20 0.15
Leakage current I
leak
(20
°C,
after 5 minutes)
Useful life
1)
85
°C;
V
R
; I
AC,R
> 2000 h
Vibration resistance
test
Requirements:
ΔC/C
≤
20% of initial value
tan
δ
≤
2 times initial specified limit
I
leak
≤
initial specified limit
To IEC 60068-2-6, test Fc:
Frequency range 10 Hz ... 55 Hz, displacement amplitude 0.75 mm,
acceleration max. 10
g,
duration 3
×
2 h.
Capacitor rigidly clamped by the aluminum case.
Shelf life
Characteristics at low
temperature
After storage for 1000 h at 85
°C,
the capacitors shall meet the
requirement of load life test after reforming process. After test: V
R
to be
applied for 30 minutes, 24 to 48 hours before measurement.
Max. impedance ratio
V
R
10 V
16 ... 100 V
at 120 Hz
Z
-25
°
C
/ Z
20
°
C
5
4
Z
-40
°
C
/ Z
20
°
C
18
15
To IEC 60068-1:
25/085/56 ( 25
°C/+85 °C/56
days damp heat test)
The capacitors can be operated in the temperature range of 40
°C
to
+85
°C
but the impedance at 40
°C
must be taken into consideration.
IEC 60384-4
IEC climatic category
Sectional specification
1) Refer to chapter "General technical information, 5 Useful life" on how to interpret useful life.
Please read
Cautions and warnings
and
Important notes
at the end of this document.
Page 3 of 24
B41231
85
°C
Dimensional drawing
Snap-in capacitors with standard insulation (PET)
Snap-in terminals, length (6.0
±1)
mm.
Also available in a shorter version with a length
of (4.5 1) mm. Insulation is marked with "PET"
on the sleeve. Safety vent on the base.
Dimensions (mm)
d +1
l
±2
22
25
22
30
22
35
22
40
22
45
22
50
25.4
25
25.4
30
25.4
35
25.4
40
25.4
45
25.4
50
Approx.
weight (g)
13.0
15.0
20.5
23.0
25.0
29.5
13.5
19.5
25.0
28.0
31.0
39.0
Packing units
(pcs.)
160
160
160
160
160
160
130
130
130
130
130
130
Snap-in capacitors are also available with
3 terminals (length (4.5 1) mm). Insulation is
marked with "PET" on the sleeve.
Safety vent on the base.
Dimensions (mm)
d +1
l
±2
30
25
30
30
30
35
30
40
30
45
30
50
35
25
35
30
35
35
35
40
35
45
35
50
Approx.
weight (g)
24.5
25.5
32.5
39.0
43.5
55.5
35.0
43.0
50.5
52.0
65.0
70.5
Packing units
(pcs.)
80
80
80
80
80
80
60
60
60
60
60
60
Please read
Cautions and warnings
and
Important notes
at the end of this document.
Page 4 of 24
B41231
85
°C
Ordering codes for terminal styles and insulation features
Identification in 3
rd
block of ordering code
Snap-in capacitors
Terminal version
Standard terminals 6.0 mm
Short terminals 4.5 mm
3 terminals 4.5 mm
Ordering examples:
B41231A9478M067
B41231A9478M062
}
}
snap-in capacitor with short terminals and PET insulation
snap-in capacitor with 3 terminals and PET insulation
Insulation
PET
M060
M067
M062
Please read
Cautions and warnings
and
Important notes
at the end of this document.
Page 5 of 24
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